Chapter 4. Error Analysis and Fault Isolation
EK–SMCPR–UG. A01
387404–001
4–3
Table 4–1 Subsystem Status LEDs
Symbol
Condition
Operating normally; no error conditions.
A failed subsystem component exists.
Recommended Corrective Actions
1. Check the EMU control panel LEDs to
determine an overtemperature condition,
a blower problem, or a power problem.
Replace the defective blower or power
components.
2. Check the individual disk drive SBBs for
an error condition.
3. Check the system terminal for error
messages.
The subsystem does not have power applied
or is in a RESET state.
Recommended Corrective Action
1. Check the EMU control panel LEDs to
determine which component has failed.
2. Check that at least four operational SBB
power supplies exist.
3. Check the system terminal for error
messages.